Memory Management Overhead

Source code: oils/benchmarks/gc.sh

GC Stats

task elapsed ms max gc millis total gc millis allocated MB max rss MB num allocated num gc points num gc done gc threshold num growths max survived shell label
parse.configure-cpython 32 4 10 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 36 4 11 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 143 25 66 45.9 51.6 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 149 25 67 45.9 52.2 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,260 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,259 277 3 84,016 1 42,008 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 5 2 1.7 dash -
13 12 1 3.3 bash -
90 56 40 3.5 zsh -
16 12 4 30.7 bumpleak/osh mut
16 13 3 29.4 _bin/cxx-opt+bumproot/osh mut
19 15 4 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 12 13 25.4 osh-native mut+alloc
28 14 14 26.0 osh-native mut+alloc+free
32 24 8 18.2 osh-native mut+alloc+free+gc
33 29 4 18.2 osh-native mut+alloc+free+gc+exit
28 17 11 25.8 osh-nosouffle mut+alloc
31 18 13 26.3 osh-nosouffle mut+alloc+free
36 25 10 18.7 osh-nosouffle mut+alloc+free+gc
36 29 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 18 21 32.1 _bin/cxx-opt+nopool/osh mut+alloc
47 42 5 22.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.configure-coreutils

Parsing the autoconf-generated configure script from GNU coreutils.

Note that unlike other shells, osh -n retains all nodes on purpose. (See the parser benchmark).

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
23 20 3 1.6 dash -
42 41 1 3.4 bash -
325 196 152 3.8 zsh -
45 37 8 84.5 bumpleak/osh mut
48 36 12 85.4 _bin/cxx-opt+bumproot/osh mut
60 44 16 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 54 30 73.5 osh-native mut+alloc
92 53 39 75.4 osh-native mut+alloc+free
143 117 25 51.6 osh-native mut+alloc+free+gc
142 122 20 52.4 osh-native mut+alloc+free+gc+exit
92 62 30 74.2 osh-nosouffle mut+alloc
100 67 33 76.0 osh-nosouffle mut+alloc+free
149 116 33 52.2 osh-nosouffle mut+alloc+free+gc
152 131 21 52.8 osh-nosouffle mut+alloc+free+gc+exit
126 79 47 97.7 _bin/cxx-opt+nopool/osh mut+alloc
198 167 31 74.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
2 1 1 1.6 dash -
4 3 1 3.3 bash -
7 4 3 3.4 zsh -
6 3 3 13.0 bumpleak/osh mut
6 5 1 12.8 _bin/cxx-opt+bumproot/osh mut
8 5 3 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 7 1 10.4 osh-native mut+alloc
8 4 5 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 8 1 8.9 osh-native mut+alloc+free+gc+exit
9 3 6 10.9 osh-nosouffle mut+alloc
9 5 4 11.3 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 6 6 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 9 4 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.compute-fib

A synthetic benchmark for POSIX shell arithmetic.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
9 9 1 1.7 dash -
38 37 1 3.1 bash -
22 13 8 3.3 zsh -
17 14 3 31.9 bumpleak/osh mut
19 15 4 32.3 _bin/cxx-opt+bumproot/osh mut
22 14 8 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 23 6 26.9 osh-native mut+alloc
31 18 13 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 19 1 8.4 osh-native mut+alloc+free+gc+exit
34 28 6 27.4 osh-nosouffle mut+alloc
35 26 10 27.5 osh-nosouffle mut+alloc+free
25 23 1 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 31 15 36.8 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
104 100 4 3.5 bash -
213 159 54 57.4 bumpleak/osh mut
222 159 62 56.6 _bin/cxx-opt+bumproot/osh mut
242 189 53 58.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 181 73 48.8 osh-native mut+alloc
263 194 69 50.7 osh-native mut+alloc+free
222 185 37 9.2 osh-native mut+alloc+free+gc
221 178 43 9.2 osh-native mut+alloc+free+gc+exit
263 188 75 49.2 osh-nosouffle mut+alloc
273 207 66 51.3 osh-nosouffle mut+alloc+free
229 186 43 9.6 osh-nosouffle mut+alloc+free+gc
230 181 48 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 200 79 65.3 _bin/cxx-opt+nopool/osh mut+alloc
251 206 45 10.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.abuild-print-help

Running abuild -h from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
9 3 6 3.9 dash -
16 11 6 4.8 bash -
16 8 8 4.1 zsh -
19 6 14 13.6 bumpleak/osh mut
18 10 9 14.4 _bin/cxx-opt+bumproot/osh mut
19 10 9 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 11 10 11.5 osh-native mut+alloc
21 10 11 11.7 osh-native mut+alloc+free
20 11 10 9.4 osh-native mut+alloc+free+gc
21 10 11 9.6 osh-native mut+alloc+free+gc+exit
21 11 10 12.2 osh-nosouffle mut+alloc
22 10 13 12.2 osh-nosouffle mut+alloc+free
22 8 14 10.0 osh-nosouffle mut+alloc+free+gc
22 15 8 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 9 15 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc